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Recent content by WarrenPowers

  1. WarrenPowers

    Machine design material selection

    I should have placed my question in a different location. Sorry. Warren Powers
  2. WarrenPowers

    Machine design material selection

    What aluminum alloy is the least porous? I am designing an o-ring-plate-capped, thick-wall extrusion that will hold 10-20 PSI Nitrogen over 10 years. I know aluminum is a lot like "Swiss-cheese", can you recommend a place to find physical characteristics of various types of aluminum alloys...

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